package com.rd.student.jiaji.class3.wangyanbo.task27;

import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;

public class TestOutputStream {

    //拷贝文件
    public static void main(String[] args)throws Exception {
        copyFile("stream.txt","streamCopy.txt");

    }

    public static void copyFile(String srcPath,String destPath)
            throws Exception{
        //根据文件地址 获取输入输出流
        InputStream is = new FileInputStream(srcPath);
        OutputStream os = new FileOutputStream(destPath);
        byte[] arr=new byte[1024];
        int len=0;
        while ((len=is.read(arr))!=-1){
            os.write(arr,0,len);
        }
        os.close();
        is.close();
    }
}
